| A | B |
|---|
| cell membrane | the thin layer of protein and fat that surrounds the cell. |
| mitochondrion | It converts the energy stored in glucose into ATP (adenosine triphosphate) for the cell. |
| nucleus | It controls many of the functions of the cell and contains DNA |
| vacuole | It digestes and wastes food that is on its way out of the cell |
| cell wall | A thick, rigid membrane that surrounds a plant cell. |
| chloroplast | It is in which photosynthesis takes place |
| Cell | The smallest unit capable of replication. |
| Tissue | A group of cells similar to each other |
| Organ | A group of tissues which work together as a single unit to perform a particular function |
